luminosity
lu·mi·nos·i·ty
noun \ˌlü-mə-ˈnäs-ət-ē\plural lu·mi·nos·i·ties
Definition of LUMINOSITY
1
: the quality or state of being luminous
2
a : the relative quantity of light b : the comparative degree to which light of a given wavelength induces the sensation of brightness when perceived
Learn More About
Ask The Editor Videos
Seen & Heard 
What made you want to look up luminosity? Please tell us where you read or heard it (including the quote, if possible).
